Merge pull request #12 from davide-f/transparent-marker

Transparent node markers

src/SankeyPlots.jl

@@ -42,17 +42,17 @@ In addition to [Plots.jl attributes](http://docs.juliaplots.org/latest/attribute
     if node_colors === nothing
         node_colors = palette(get(plotattributes, :color_palette, :default))
     end
-    
+
     x, y, mask = sankey_layout!(g)
     perm = sortperm(y, rev=true)
-    
+
     vw = vertex_weight.(Ref(g), vertices(g))
     m = maximum(vw)
-    
+
     if compact == true
         y = make_compact(x, y, vw / m)
     end
-    
+
     src_offsets = get_src_offsets(g, perm) ./ m
     dst_offsets = get_dst_offsets(g, perm) ./ m
 
@@ -63,10 +63,10 @@ In addition to [Plots.jl attributes](http://docs.juliaplots.org/latest/attribute
         ylabs = Float64[]
         lab_orientations = Symbol[]
     end
-    
+
     for (i, v) in enumerate(vertices(g))
         h = vw[i] / (2m)
-        
+
         if !(mask[i])
             @series begin
                 seriestype := :shape
@@ -104,7 +104,7 @@ In addition to [Plots.jl attributes](http://docs.juliaplots.org/latest/attribute
                     y_coords = remap(1 ./ (1 .+ exp.(6 .* (1 .- 2 .* x_coords))), y_src, y_dst)
                     append!(sankey_y, y_coords)
                     sankey_x = range(x[i]+0.1, x[k]-0.1, step=0.01)
-                    
+
                     @series begin
                         seriestype := :path
                         primary := false
@@ -166,18 +166,18 @@ In addition to [Plots.jl attributes](http://docs.juliaplots.org/latest/attribute
         @series begin
             primary := :false
             seriestype := :scatter
-            markersize := 0
+            markeralpha := 0
             series_annotations := text.(names, lab_orientations, label_size)
             xlabs, ylabs
         end
-        
+
         # extend axes for labels
         if label_position in (:left, :right)
             x_extra = label_position === :left ? minimum(xlabs) - 0.4 : maximum(xlabs) + 0.5
             @series begin
                 primary := false
                 seriestype := :scatter
-                markersize := 0
+                markeralpha := 0
                 [x_extra], [ylabs[1]]
             end
         end
@@ -325,7 +325,7 @@ function make_compact(x, y, w)
     for (i, inds) in enumerate(uinds)
         y[inds] .+= (maxh - heights[i]) / 2
     end
-    return y     
+    return y
 end
 
 end